Even with the use of advanced technology, movable bridge machinery on an electrified railway remains a complex combination of structural, mechanical, and electrical systems. The geography of the ...

Sensors such as strain gages, RTDs (resistance temperature detectors), and thermistors produce a resistance that’s proportional to force or temperature. If you measure a sensor’s resistance, you can ...

The investigation into why a cargo ship lost power and struck a Baltimore bridge last month, causing it to collapse, is currently focused on engine room equipment, the National Transportation Safety ...

BALTIMORE -- The chair of the National Transportation Safety Board told several members of Congress Wednesday morning that her team remains in Baltimore investigating the Key Bridge collapse, and they ...

comprise a transformer, rectifier, and filter capacitor. Many single-voltage power suppliesconsist of a transformer, arectifier, and a filter capacitor, as shownin Figure 1. This circuit is ...